WO2007102419A1 - 車両および駆動装置並びにこれらの制御方法 - Google Patents
車両および駆動装置並びにこれらの制御方法 Download PDFInfo
- Publication number
- WO2007102419A1 WO2007102419A1 PCT/JP2007/054013 JP2007054013W WO2007102419A1 WO 2007102419 A1 WO2007102419 A1 WO 2007102419A1 JP 2007054013 W JP2007054013 W JP 2007054013W WO 2007102419 A1 WO2007102419 A1 WO 2007102419A1
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- WIPO (PCT)
- Prior art keywords
- power
- axle
- output
- speed
- internal combustion
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W20/00—Control systems specially adapted for hybrid vehicles
- B60W20/10—Controlling the power contribution of each of the prime movers to meet required power demand
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines
- B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
- B60K6/42—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by the architecture of the hybrid electric vehicle
- B60K6/44—Series-parallel type
- B60K6/445—Differential gearing distribution type
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L15/00—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles
- B60L15/20—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles for control of the vehicle or its driving motor to achieve a desired performance, e.g. speed, torque, programmed variation of speed
- B60L15/2054—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles for control of the vehicle or its driving motor to achieve a desired performance, e.g. speed, torque, programmed variation of speed by controlling transmissions or clutches
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L50/00—Electric propulsion with power supplied within the vehicle
- B60L50/10—Electric propulsion with power supplied within the vehicle using propulsion power supplied by engine-driven generators, e.g. generators driven by combustion engines
- B60L50/16—Electric propulsion with power supplied within the vehicle using propulsion power supplied by engine-driven generators, e.g. generators driven by combustion engines with provision for separate direct mechanical propulsion
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W10/00—Conjoint control of vehicle sub-units of different type or different function
- B60W10/04—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units
- B60W10/06—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units including control of combustion engines
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W10/00—Conjoint control of vehicle sub-units of different type or different function
- B60W10/04—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units
- B60W10/08—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units including control of electric propulsion units, e.g. motors or generators
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W10/00—Conjoint control of vehicle sub-units of different type or different function
- B60W10/10—Conjoint control of vehicle sub-units of different type or different function including control of change-speed gearings
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W10/00—Conjoint control of vehicle sub-units of different type or different function
- B60W10/10—Conjoint control of vehicle sub-units of different type or different function including control of change-speed gearings
- B60W10/11—Stepped gearings
- B60W10/115—Stepped gearings with planetary gears
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W50/00—Details of control systems for road vehicle drive control not related to the control of a particular sub-unit, e.g. process diagnostic or vehicle driver interfaces
- B60W50/06—Improving the dynamic response of the control system, e.g. improving the speed of regulation or avoiding hunting or overshoot
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/02—Circuit arrangements for generating control signals
- F02D41/021—Introducing corrections for particular conditions exterior to the engine
- F02D41/0215—Introducing corrections for particular conditions exterior to the engine in relation with elements of the transmission
- F02D41/023—Introducing corrections for particular conditions exterior to the engine in relation with elements of the transmission in relation with the gear ratio shifting
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2240/00—Control parameters of input or output; Target parameters
- B60L2240/40—Drive Train control parameters
- B60L2240/48—Drive Train control parameters related to transmissions
- B60L2240/486—Operating parameters
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W20/00—Control systems specially adapted for hybrid vehicles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W2540/00—Input parameters relating to occupants
- B60W2540/10—Accelerator pedal position
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W2710/00—Output or target parameters relating to a particular sub-units
- B60W2710/06—Combustion engines, Gas turbines
- B60W2710/0644—Engine speed
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W2710/00—Output or target parameters relating to a particular sub-units
- B60W2710/10—Change speed gearings
- B60W2710/105—Output torque
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D2250/00—Engine control related to specific problems or objectives
- F02D2250/18—Control of the engine output torque
- F02D2250/21—Control of the engine output torque during a transition between engine operation modes or states
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H37/00—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00
- F16H37/02—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings
- F16H37/06—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts
- F16H37/08—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts with differential gearing
- F16H37/0833—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts with differential gearing with arrangements for dividing torque between two or more intermediate shafts, i.e. with two or more internal power paths
- F16H37/084—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts with differential gearing with arrangements for dividing torque between two or more intermediate shafts, i.e. with two or more internal power paths at least one power path being a continuously variable transmission, i.e. CVT
- F16H2037/0866—Power-split transmissions with distributing differentials, with the output of the CVT connected or connectable to the output shaft
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
- F16H3/44—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion
- F16H3/72—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion with a secondary drive, e.g. regulating motor, in order to vary speed continuously
- F16H3/727—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion with a secondary drive, e.g. regulating motor, in order to vary speed continuously with at least two dynamo electric machines for creating an electric power path inside the gearing, e.g. using generator and motor for a variable power torque path
- F16H3/728—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion with a secondary drive, e.g. regulating motor, in order to vary speed continuously with at least two dynamo electric machines for creating an electric power path inside the gearing, e.g. using generator and motor for a variable power torque path with means to change ratio in the mechanical gearing
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/02—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing characterised by the signals used
- F16H61/0202—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing characterised by the signals used the signals being electric
- F16H61/0204—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing characterised by the signals used the signals being electric for gearshift control, e.g. control functions for performing shifting or generation of shift signal
- F16H61/0213—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing characterised by the signals used the signals being electric for gearshift control, e.g. control functions for performing shifting or generation of shift signal characterised by the method for generating shift signals
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/62—Hybrid vehicles
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/64—Electric machine technologies in electromobility
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/72—Electric energy management in electromobility
Definitions
- the present invention relates to a vehicle, a drive device, and a control method thereof.
- this type of vehicle is attached to an engine, a planetary gear mechanism in which a carrier is connected to the crankshaft of the engine and a ring gear is connected to the axle side, and a sun gear of this planetary gear mechanism.
- a first motor generator and a second motor generator attached to the axle side via a transmission (for example, see Patent Document 1).
- the power of the engine power is converted into driving power by the planetary gear mechanism, the first motor generator, and the second motor generator accompanied by the shift of the transmission with charging and discharging of the battery. Run and go.
- Patent Document 1 Japanese Patent Laid-Open No. 2002-225578
- the transmission when shifting the gear position of the transmission when the driving force required for traveling is small, the transmission is set to the neutral position in order to reduce torque shock that may occur at the time of shifting. It is also possible to change the speed by synchronizing the rotational speed by the second motor generator with the motor generator disconnected from the axle side. If the driver depresses the accelerator pedal while the second motor generator is disconnected and gears are being shifted, torque output from the second motor generator cannot be performed. Cannot obtain the required driving force. In this case, it is conceivable to increase the driving force transmitted to the axle side via the planetary gear mechanism out of the motive power output by driving the first motor generator, but the driving required for traveling is also conceivable. Since the force is small, energy is used to increase the engine speed, and the driving force required by the driver cannot be output quickly.
- One of the objects of the vehicle, the drive device, and the control method thereof according to the present invention is to quickly respond to a sudden change in the driving force required while changing the speed of the transmission.
- the Another object of the present invention is to reduce the torque shock that may occur when shifting the speed of the transmission.
- the vehicle, the drive device, and the control method of the present invention employ the following means.
- the vehicle of the present invention is connected to the internal combustion engine, the first axle as one of the axles of the vehicle, and the output shaft of the internal combustion engine, and the first axle with input and output of electric power and power.
- Power power input / output means capable of inputting / outputting power to / from the output shaft; an electric motor capable of inputting / outputting power; the second axle which is either the first axle or an axle different from the first axle; Transmission means connected to the rotating shaft of the electric motor for transmitting power between the second axle and the rotating shaft with a plurality of shift speeds, the electric power power input / output means and the electric motor
- the power storage means capable of exchanging electric power, the required drive force setting means for setting the required drive force required for traveling, and the internal combustion engine is rotated at a predetermined speed when downshifting the gear stage of the transmission means.
- the gear position of the speed change means is reduced while operating at a speed greater than And control means for controlling the internal combustion engine, the electric power input / output means, the electric motor, and the speed change means so as to travel with a driving force based on the set required driving force.
- the gist The gear position of the speed change means is reduced while operating at a speed greater than And control means for controlling the internal combustion engine, the electric power input / output means, the electric motor, and the speed change means so as to travel with a driving force based on the set required driving force.
- the speed stage of the speed change means when downshifting the speed stage of the speed change means, the speed stage of the speed change means is downshifted while the internal combustion engine is operated at a speed equal to or higher than a predetermined speed, and the vehicle travels.
- the internal combustion engine, the power drive input / output means, the electric motor, and the speed change means are controlled so as to run with a driving force based on the required driving force required.
- a large driving force can be output to the first axle by lowering the rotational speed of the internal combustion engine by the electric power drive input / output means.
- the control means immediately after the set required driving force is increased while the shift speed of the speed change means is downshifted. And controlling the internal combustion engine so that the torque output from the engine increases.
- the power power input / output means may be controlled so as to increase the power output to the first axle by reducing the rotational speed of the function. In this way, it is possible to output a large driving force to the first axle while suppressing a decrease in the rotational speed of the internal combustion engine.
- the control means may downshift the gear position of the transmission means when the set required driving force is in a predetermined low driving force range including a value of 0.
- the transmission means and the electric motor are controlled and the electric power is controlled so that the shift stage of the transmission means is downshifted so that the torque from the electric motor is not output to the second axle via the transmission means.
- the control unit causes the torque from the electric motor to be transmitted through the transmission unit to the second level.
- the speed change means and the electric motor are controlled so that the downshift of the speed change means of the speed change means as a state in which it is not output to the axle is continued, and the sudden increase to the first axle via the power power input / output means.
- It may be a means for controlling the internal combustion engine and the electric power power input / output means so that the vehicle travels by outputting a driving force based on the required driving power.
- the speed change means is a means for shifting the shift speed by changing the engagement state of the plurality of clutches
- the control means is configured to change the speed of the plurality of clutches of the speed change means when shifting the speed change speed of the speed change means. That is, the electric motor is a means for shifting through the state in which the electric force on the second axle side is disconnected according to the engaged state.
- the power drive input / output means is connected to three shafts of the first axle, the output shaft of the internal combustion engine, and a rotatable third shaft.
- a three-axis power input / output means for inputting / outputting power to the remaining shaft based on power input / output to / from any of the two shafts, and a generator capable of inputting / outputting power to / from the third shaft.
- a drive device of the present invention is a drive device mounted on a vehicle together with an internal combustion engine and chargeable / dischargeable power storage means, and is capable of exchanging power with the power storage means, and is a first axle of the vehicle.
- An electric power / power input / output means connected to an axle and an output shaft of the internal combustion engine and capable of inputting / outputting power to / from the first axle and the output shaft with input / output of electric power and power;
- a plurality of shifts connected to an electric motor capable of exchanging electric power and capable of inputting / outputting power, a second axle which is either the first axle or an axle different from the first axle, and a rotating shaft of the electric motor
- the speed change means The power drive input / output means, the electric motor, and the speed change means are controlled together with the control of the internal combustion engine so that the vehicle travels with a driving force based on the required driving force required for traveling while the stage is downshifted. And a control means for performing the above.
- the speed stage of the speed change means when downshifting the speed stage of the speed change means, the speed stage of the speed change means is downshifted while the internal combustion engine is operated at a rotational speed equal to or higher than a predetermined speed.
- the power drive input / output means, the electric motor, and the speed change means are controlled so that the vehicle travels with the drive force based on the required drive force required for the vehicle.
- a large driving force can be output to the first axle by lowering the rotational speed of the internal combustion engine by the electric power drive input / output means.
- the vehicle control method of the present invention is connected to the internal combustion engine, the first axle as one of the axles of the vehicle, and the output shaft of the internal combustion engine, and includes the input and output of electric power and power.
- a power input / output means capable of inputting / outputting power to / from the axle and the output shaft; an electric motor capable of inputting / outputting power; and a second axle which is either the first axle or an axle different from the first axle.
- Transmission means connected to the axle and the rotating shaft of the electric motor to transmit power between the second axle and the rotating shaft with a plurality of shift speeds; and the electric power input / output means.
- a power storage means capable of exchanging electric power with the electric motor.
- the internal combustion engine when downshifting the speed stage of the speed change means, the internal combustion engine is operated at a rotational speed equal to or higher than a predetermined speed while the speed stage of the speed change means is downshifted and required to travel.
- the internal combustion engine, the electric power drive input / output means, the electric motor, and the speed change means are controlled so that the vehicle travels with a driving force based on a required driving force.
- the speed stage of the front speed means is downshifted while the internal combustion engine is operated at a speed greater than or equal to a predetermined speed.
- the internal combustion engine, the power drive input / output means, the electric motor, and the speed change means are controlled so as to run with a driving force based on the required driving force required for running.
- a method for controlling a drive device includes a first axle that is mounted on a vehicle together with an internal combustion engine and chargeable / dischargeable power storage means, and that can exchange electric power with the power storage means and is one of the axles of the vehicle.
- Power power input / output means connected to the output shaft of the internal combustion engine and capable of inputting / outputting power to and from the first axle and the output shaft with power and power input / output, and exchange of power with the power storage means
- a plurality of shift stages connected to an electric motor capable of inputting / outputting power and a second axle which is either the first axle or an axle different from the first axle and the rotating shaft of the motor.
- a transmission means for transmitting a dynamic force between the second axle and the rotating shaft, and when downshifting the gear stage of the transmission means,
- the internal combustion engine is operated at a speed higher than the predetermined speed.
- the power drive input / output means and the motor are controlled together with the control of the internal combustion engine so that the vehicle is driven by the driving force based on the required driving force required for traveling while the gear stage of the transmission means is downshifted.
- the transmission means is controlled.
- FIG. 1 is a configuration diagram showing an outline of a configuration of a hybrid vehicle 20 equipped with a drive device as one embodiment of the present invention.
- FIG. 2 is an explanatory diagram showing an example of a configuration of a transmission 60.
- FIG. 3 is a flowchart showing an example of a low driving force Hi-Lo shift driving control routine executed by the hybrid electronic control unit 70 of the embodiment.
- FIG. 4 is a flowchart showing an example of a shift process routine.
- FIG. 5 is an explanatory diagram showing an example of a shift map.
- FIG. 6 is an explanatory diagram showing an example of a collinear diagram of the transmission 60 at the time of Lo-Hi shift and Hi-Lo shift.
- FIG. 7 is an explanatory diagram showing an example of a hydraulic sequence in a hydraulic circuit that drives and controls the brakes Bl and B2 of the transmission 60 during the Lo-Hi shift.
- FIG. 8 is an explanatory diagram showing an example of a hydraulic sequence in a hydraulic circuit that drives and controls the brakes Bl and B2 of the transmission 60 during Hi-Lo shift.
- FIG. 9 is an explanatory diagram showing an example of a required torque setting map.
- FIG. 10 A collinear chart showing the dynamic relationship between the rotational speed and torque of the rotating elements of the power distribution integration mechanism 30 when the required torque Tr * during Hi-Lo shift is a slight driving torque. It is explanatory drawing which shows an example.
- FIG. 12 is an explanatory diagram showing an example of a state in which an operation line for operating the engine 22 efficiently and a temporary engine speed Netmp are set.
- FIG. 13 Example of collinear diagram showing the dynamic relationship between the rotational speed and torque of the rotating elements of the integrated mechanism 30 when the required torque Tr * during Hi-Lo shift is the braking torque for deceleration It is explanatory drawing which shows.
- FIG. 14 is a configuration diagram showing an outline of a configuration of a hybrid vehicle 120 of a modified example.
- FIG. 15 is a configuration diagram showing an outline of a configuration of a hybrid vehicle 220 of a modified example.
- FIG. 1 is a configuration diagram showing an outline of the configuration of a hybrid vehicle 20 as an embodiment of the present invention.
- the hybrid vehicle 20 of the embodiment includes an engine 22, a three-shaft power distribution and integration mechanism 30 connected to a crankshaft 26 as an output shaft of the engine 22 via a damper 28, Motor MG1 capable of generating electricity connected to distribution integration mechanism 30; motor MG2 connected to power distribution integration mechanism 30 via transmission 60; drive wheels 39a, 39b and not shown!
- a brake actuator 92 for control and a hybrid electronic control unit 70 for controlling the entire drive system of the vehicle are provided.
- the engine 22 is an internal combustion engine that outputs power using a hydrocarbon-based fuel such as gasoline or light oil, and inputs various sensor force signals that detect the operating state of the engine 22.
- the engine ECU is under operation control such as fuel injection control, ignition control, and intake air amount adjustment control.
- the engine ECU 24 communicates with the electronic control unit 70 for the hybrid, and controls the operation of the engine 22 by a control signal from the electronic control unit 70 for the hybrid and uses the data regarding the operation state of the engine 22 for the hybrid as necessary. Output to electronic control unit 70.
- the power distribution and integration mechanism 30 includes an external gear sun gear 31, an internal gear ring gear 32 disposed concentrically with the sun gear 31, and a plurality of gears meshed with the sun gear 31 and meshed with the ring gear 3 2. It has a pinion gear 33 and a carrier 34 that holds a plurality of the pinion gears 33 so as to rotate and revolve.
- the sun gear 31, the ring gear 32, and the carrier 34 need to be rotated. It is configured as a planetary gear mechanism that performs a differential action as an element.
- the crankshaft 26 of the engine 22 is connected to the carrier 34
- the motor MG 1 is connected to the sun gear 31
- the motor MG 2 is connected to the ring gear 32 via the transmission 60.
- the motor MG1 When the motor MG1 functions as a generator, the power from the engine 22 input from the carrier 34 is distributed to the sun gear 31 side and the ring gear 32 side according to the gear ratio, and when the motor MG1 functions as an electric motor, it is input from the carrier 34 The power from the engine 22 and the motor MG1 input from the sun gear 31 are combined and output to the ring gear 32.
- the ring gear 32 is mechanically connected to driving wheels 39a and 39b on the front wheels of the vehicle via a gear mechanism 37 and a differential gear 38. Therefore, the power output to the ring gear 32 is output to the drive wheels 39a and 39b via the gear mechanism 37 and the differential gear 38.
- the three axes connected to the power distribution and integration mechanism 30 when viewed as a drive system are connected to the crankshaft 26 and the sun gear 31 that are the output shaft of the engine 22 connected to the carrier 34, and the rotation shaft of the motor MG1.
- Both the motor MG1 and the motor MG2 are configured as well-known synchronous generator motors that can be driven as generators and can be driven as motors, and exchange power with the battery 50 via inverters 41 and 42.
- the power line 54 connecting the inverters 41 and 42 and the battery 50 is configured as a positive and negative bus shared by the inverters 41 and 42, and other power generated by one of the motors MG1 and MG2 It can be consumed by other motors.
- Both motors MG1 and MG2 are driven and controlled by a motor electronic control unit (hereinafter referred to as motor ECU) 40.
- motor ECU motor electronice control unit
- the motor ECU 40 receives signals necessary for driving and controlling the motors MG1 and MG2, such as signals from rotational position detection sensors 43 and 44 that detect the rotational positions of the rotors of the motors MG1 and MG2, and current sensors (not shown).
- the detected phase current applied to the motors MG1 and MG2 is inputted, and the switching control signal to the inverters 41 and 42 is outputted from the motor ECU40.
- the motor ECU 40 rotates the motors MG1 and MG2 through a rotation speed calculation routine (not shown) based on the signals input from the rotational position detection sensors 43 and 44.
- the number of rotations of the child Nml, Nm2 is calculated.
- the motor ECU 40 communicates with the hybrid electronic control unit 70, and controls the drive of the motors MG1 and MG2 according to the control signal from the hybrid electronic control unit 70 and operates the motors MG1 and MG2 as necessary. Data on the state is output to the hybrid electronic control unit 70.
- the transmission 60 connects and disconnects the rotating shaft 48 of the motor MG2 and the ring gear shaft 32a, and reduces the rotational speed of the rotating shaft 48 of the motor MG2 to two stages by connecting the both shafts. Configured to transmit to 32a.
- An example of the configuration of the transmission 60 is shown in FIG.
- the transmission 60 shown in FIG. 2 includes a double beon planetary gear mechanism 60a, a single pinion planetary gear mechanism 60b, and two brakes Bl and B2.
- the double gear planetary gear mechanism 60a includes an external gear sun gear 61, an internal gear ring gear 62 arranged concentrically with the sun gear 61, and a plurality of first gears meshed with the sun gear 61.
- the sun gear 61 is configured to freely or stop its rotation by turning on and off the brake B1.
- the single gear planetary gear mechanism 60b includes an external gear sun gear 65, an internal gear ring gear 66 arranged concentrically with the sun gear 65, and a plurality of pins meshed with the sun gear 65 and meshed with the ring gear 66.
- the ring gear 66 can be rotated freely or stopped by turning on and off the brake B2.
- the double beon planetary gear mechanism 60a and the single pion planetary gear mechanism 60b are connected by a ring gear 62 and a ring gear 66, and a carrier 64 and a carrier 68, respectively.
- the transmission 60 can turn off the rotation shaft 48 of the motor MG2 from the ring gear shaft 32a by turning off both the brakes Bl and B2, and turn off the brake B1 and turn on the brake B2 to turn the rotation shaft of the motor MG2.
- the rotation of 48 is reduced with a relatively large reduction ratio and transmitted to the ring gear shaft 32a (hereinafter this state is referred to as the Lo gear state), the brake B1 is turned on and the brake B2 is turned off to rotate the rotating shaft of the motor MG2.
- the rotation of 48 is reduced at a relatively small reduction ratio and transmitted to the ring gear shaft 32a (hereinafter this state is referred to as a Hi gear state).
- the brakes Bl and B2 are turned on, the rotation of the rotary shaft 48 and the ring gear shaft 32a is prohibited.
- the battery 50 is managed by a battery electronic control unit (hereinafter referred to as a battery ECU) 52.
- the notch ECU 52 is connected to a signal necessary for managing the notch 50, for example, a voltage between terminals of a voltage sensor (not shown) installed between the notch 50 terminals, and an output terminal of the notch 50.
- the charging / discharging current from the current sensor (not shown) attached to the power line 54 and the battery temperature of the temperature sensor (not shown) attached to the battery 50 are input. Is output to the hybrid electronic control unit 70 by communication.
- the notch ECU 52 calculates the remaining capacity (SOC) based on the integrated value of the charge / discharge current detected by the current sensor to manage the battery 50! //.
- the brake actuator 92 responds to the share of the brake in the braking force applied to the vehicle by the pressure (brake pressure) of the brake master cylinder 90 and the vehicle speed V generated when the brake pedal 85 is depressed. Regardless of adjusting the hydraulic pressure of the brake wheel cylinders 96a to 96d or depressing the brake pedal 85 so that the braking torque acts on the drive wheels 39a, 39b and the driven wheels, it can be applied to the drive wheels 39a, 39b and the driven wheels. The hydraulic pressure of the brake wheel cylinders 96a to 96d can be adjusted so that the braking torque acts.
- the brake actuator 92 is controlled by a brake electronic control unit (hereinafter referred to as a brake ECU) 94.
- the brake ECU 94 inputs signals such as the wheel speed of the wheel speed sensor force (not shown) and the steering angle of the steering angle sensor force (not shown) attached to the driving wheels 39a, 39b and the driven wheel by a signal line (not shown), Anti-lock brake system function (ABS) that prevents any of the drive wheels 39a, 39b and driven wheels from slipping due to locking when the driver depresses the brake pedal 85, or the driver depresses the accelerator pedal 83 At this time, the traction control (TRC) that prevents the slippage of the drive wheels 39a and 39b due to slipping and the attitude maintenance control (VSC) that holds the attitude when the vehicle is turning are also performed. .
- ABS Anti-lock brake system function
- the brake EC U94 communicates with the hybrid electronic control unit 70, and the hybrid electronic control
- the brake actuator 92 is driven and controlled by a control signal from the unit 70, and data on the state of the brake actuator 92 is output to the electronic control unit 70 for the noise as necessary.
- the hybrid electronic control unit 70 is configured as a microprocessor centered on the CPU 72. In addition to the CPU 72, a ROM 74 that stores a processing program, a RAM 76 that temporarily stores data, and an input (not shown). An output port and a communication port are provided.
- the hybrid electronic control unit 70 supports the idling signal from the idling switch 80, the shift position SP from the shift position sensor 82 that detects the operating position of the shift lever 81, and the depression amount of the accelerator pedal 83.
- Accelerator pedal position sensor that detects the accelerator pedal position Acc
- the accelerator pedal position Acc from the accelerator pedal 84, the brake pedal position sensor 86 that detects the amount of depression of the brake pedal 85, the brake position BP from the 86, the vehicle speed sensor 88 from the vehicle speed V, etc. Is input via the input port.
- the hybrid electronic control unit 70 outputs drive signals to the not-shown actuators of the brakes Bl and B2 of the transmission 60 through the output port.
- the hybrid electronic control unit 70 is connected to the engine ECU 24, the motor ECU 40, the battery ECU 52, and the brake ECU 94 via the communication port, and the engine ECU 24, the motor ECU 40, the battery ECU 52, and the brake. It exchanges various control signals and data with ECU94.
- the hybrid vehicle 20 of the embodiment configured as described above is a request to be output to the ring gear shaft 32a as the drive shaft based on the accelerator opening Acc and the vehicle speed V corresponding to the depression amount of the accelerator pedal 83 by the driver.
- Torque is calculated, and the engine 22, the motor MG1, and the motor MG2 are controlled so that the required power corresponding to the required torque is output to the ring gear shaft 32a.
- Operation control of the engine 22 and motor MG1 and motor MG2 includes controlling the operation of the engine 22 so that the power corresponding to the required power is output from the engine 22, and all the power output from the engine 22 is a power distribution integrated mechanism.
- 30 and motor MG1 and motor MG2 are converted to torque and output to ring gear shaft 32a.
- FIG. 3 shows the low drive executed by the hybrid electronic control unit 70 of the embodiment when shifting the speed of the transmission 60 to the state of the Hi gear and the state of the Lo gear when the accelerator pedal 83 is small.
- FIG. 4 is a flowchart showing an example of a shift process routine executed by the hybrid electronic control unit 70 when shifting the shift stage of the transmission 60. is there. First, for the convenience of explanation, the gear shift of the transmission 60 will be described.
- the shift of the gear stage of the transmission 60 is performed using a shift request execution process (not shown) based on the vehicle speed V and the required torque Tr * required for the vehicle. Based on the determination of whether or not to perform the Lo—Hi shift and the vehicle speed V and the required torque Tr *, the state force of the Hi gear is also changed to the Lo gear state. This is performed when it is determined that any shift is to be performed by determining whether or not to perform.
- FIG. 5 shows an example of a shift map for shifting the shift stage of the transmission 60. In the example shown in FIG. 5, when the transmission 60 is in the Lo gear and the vehicle speed V increases beyond the Lo—Hi shift line Vhi, the transmission 60 shifts the Lo gear state force to the Hi gear state and shifts.
- Machine 60 is in Hi gear state and vehicle speed V is Hi-Lo shift line VI.
- vehicle speed V is Hi-Lo shift line VI.
- the transmission 60 shifts to the state of the Lo gear.
- the Lo-Hi shift when the accelerator is off is performed when the vehicle is traveling downhill with the accelerator off and the vehicle speed V force SLo-Hi shift line Vhi is exceeded.
- the CP of the hybrid electronic control unit 70 The U72 first changes the shifting force of the gear stage of the transmission 60.
- the gear state force is also changed to the Hi gear state.
- Lo—Hi transmission force The Hi gear state force is also changed to the Lo gear state. It is determined whether or not (step S500). This determination can be made by determining whether the vehicle speed V force SLo—Hi shift line Vhi has increased or the vehicle speed V has decreased beyond the Hi—Lo shift line Vlo in the shift map of FIG. it can.
- Lo-Hi pre-processing is executed (step S510).
- Lo-Hi pre-processing is required to prevent torque shock during gear shifting, so torque from motor MG2 is set to 0.
- motor MG2 When driving torque is output from motor MG2, motor MG2 The drive torque output is replaced with the drive torque from the engine 22 and motor MG1, and when the braking torque is output from the motor MG2, the braking torque output from the motor MG2 is output to the brake wheel cylinder.
- 96a to 96d are used to replace the brake torque applied to the drive wheels 39a and 39b and the driven wheels.
- the rotation speed Nm2 * of the motor MG2 after shifting is calculated using the following equation (1) based on the current rotation speed Nm2 of the motor MG2 and the gear ratio Glo, Ghi of the transmission 60 (Step S520). Then, a hydraulic sequence is started for a hydraulic drive actuator (not shown) of the transmission 60 for turning off the brake B2 of the transmission 60 and turning on the brake B1 (step S530).
- the motor MG2 torque command Tm2 * is set and transmitted to the motor ECU 40 using equation (2) so that the motor MG2 rotates at the speed Nm2 * after the shift until the speed Nm2 reaches the vicinity of the speed Nm2 * after the shift.
- the process is repeated (steps S540 to 560).
- Equation (2) is a relational expression in feedback control in which the rotation speed of the motor MG2 is the rotation speed Nm2 * after the shift.
- the first term kl on the right side is the gain of the proportional term, and the second term on the right side.
- k2 is the gain of the integral term.
- the set torque command Tm2 * of the motor MG2 is transmitted to the motor ECU 40, and the switching element of the inverter 42 is subjected to switching control so that the motor ECU 40 outputs a torque corresponding to the torque command Tm2 * from the motor MG2.
- Nm2 * Nm2 -Ghi / Glo (1)
- Tm2 * kl (Nm2 * -Nm2) + k2 J (Nm2 * -Nm2) dt (2)
- FIG. 6 shows an example of a collinear diagram of the transmission 60 during Lo-Hi shift and Hi-Lo shift
- FIG. 7 shows an example of the hydraulic sequence of Lo-Hi shift.
- the S1 axis indicates the rotation speed of the sun gear 61 of the planetary gear mechanism 60a of the double pion
- the R1 and R2 axes indicate the ring gear 62 of the planetary gear mechanism 60a of the double beon and the planetary gear mechanism 60b of the single pion
- CI2 and C2 axes indicate the rotational speed of the carrier 64 and 68 of the double beon planetary gear mechanism 60a and the single peer planetary gear mechanism 60b, which are the rotational speeds of the ring gear shaft 32a
- S2 indicates the rotation speed of the sun gear 65 of the single gear-on planetary gear mechanism 60b, which is the rotation speed of the motor MG2.
- the brake B2 is on and the brake B1 is off.
- the motor MG2 is disconnected from the ring gear shaft 32a.
- the motor MG2 is controlled to rotate at the rotation speed Nm2 * after shifting, and the brake B1 is turned on when the motor MG2 rotates at the rotation speed Nm2 * after shifting.
- Lo-Hi shift can be performed without outputting torque from 60 to the ring gear shaft 32a as the drive shaft.
- the hydraulic command for brake B1 that is large immediately after the start of the sequence is a fast fill for filling the cylinder with oil until the engagement force is applied to brake B1.
- Hi-Lo pre-processing is executed (step S610).
- Hi-Lo pre-processing it is necessary to prevent torque shock at the time of gear shift. Processing to set the torque from the motor MG2 to 0, for example, when driving torque is output from the motor MG2, output from the motor MG2. Is replaced with the drive torque from the engine 22 or motor MG1, and the braking torque is received from the motor MG2.
- the brake torque output from the motor MG2 is replaced by the brake torque applied to the drive wheels 39a, 39b and the driven wheels by the brake wheel cylinders 96a to 96d.
- the speed is changed using the current rotation speed Nm2 of the motor MG2 and the gear ratio Glo of the transmission 60 in the Lo gear state and the gear ratio Ghi in the Hi gear state. Then, the speed Nm2 * as the speed of the motor MG2 when the transmission 60 is in the state of the Hi gear and the state of the Lo gear is also calculated by the following equation (3) (Step S620).
- step S630 a hydraulic sequence is started for the hydraulically driven actuator of transmission 60 (step S630), and motor MG2 speed Nm2 is the speed after speed change Nm2 * Near
- step S630 motor MG2 speed Nm2 is the speed after speed change Nm2 * Near
- step S640 the process of setting the torque command Tm2 * of the motor MG2 by the above equation (2) and transmitting it to the motor ECU 40 is repeated so that the motor MG2 rotates at the rotational speed Nm2 * after the shift until the speed reaches (steps S640 to 660).
- Nm2 * Nm2 -Glo / Ghi (3)
- FIG. 8 shows an example of a hydraulic sequence when the transmission 60 is shifted to the state of the Hi gear and the state of the Lo gear.
- the hydraulic pressure command for brake B2 is large immediately after the start of the sequence, which is a fast fill for filling the cylinder with oil before the engagement force is applied to brake B2.
- the CPU 72 of the hybrid electronic control unit 70 first starts with the accelerator opening Acc from the accelerator pedal position sensor 84 and the brake pedal position sensor 86.
- the rotational speed Ne of the engine 22 is not shown in the figure attached to the crankshaft 26.
- V calculated based on the signal from the crank position sensor!
- the rotational speeds Nml and Nm2 of the motors MG1 and MG2 are input from the motor ECU 40 via communication, calculated based on the rotational positions of the rotors of the motors MG1 and MG2 detected by the rotational position detection sensors 43 and 44. It was supposed to be.
- the ring gear as the drive shaft connected to the drive wheels 39a, 39b as the torque required for the vehicle based on the input accelerator opening Acc, brake pedal position BP, and vehicle speed V.
- the required torque Tr * to be output to the shaft 32a is set (step S110), and whether or not the set required torque Tr * is 0 or more, that is, the braking torque for force deceleration that is the driving torque for acceleration (Step S120).
- the required torque Tr * is stored in the ROM 74 as a required torque setting map by predetermining the relationship among the accelerator opening Acc, the brake pedal position BP, the vehicle speed V, and the required torque Tr *.
- the stored map force corresponding to the required torque Tr * is derived and set.
- Figure 9 shows an example of the required torque setting map.
- the required torque Tr * is a braking torque for force deceleration, which is a driving torque for acceleration, basically no power from the engine 22 is required when outputting braking torque for deceleration. Power is also. Even if the driving torque for acceleration is output, the vehicle decelerates when the driving torque for acceleration is smaller than the running resistance of the vehicle. Therefore, the acceleration or deceleration of the vehicle cannot be determined only by the sign of the required torque Tr *.
- step S130 A collinear diagram showing the dynamic relationship between the rotational speed and torque in the rotating elements of the power distribution and integration mechanism 30 when the required torque Tr * is a slight driving torque during Hi-Lo shift is shown in FIG.
- the left S-axis indicates the rotation speed of the sun gear 31 which is the rotation speed Nml of the motor MG1
- the C-axis indicates the rotation speed of the carrier 34 which is the rotation speed Ne of the engine 22
- the R-axis indicates the rotation speed of the motor MG2.
- Ring gear with Nm2 multiplied by gear ratio Gr of transmission 60 Shows the rotation speed Nr.
- the bold arrow on the R axis indicates the torque acting on the ring gear shaft 32a via the power distribution / integration mechanism 30 by outputting torque from the motor MG1 or the ring gear shaft via the power distribution / integration mechanism 30 by outputting torque from the engine 22.
- the torque applied to 32a is shown. Equation (4) can be easily derived from the alignment chart of FIG.
- a rate value N2 smaller than the normal rate value N1 in which the speed change of the transmission 60 is not performed is set to the fluctuation rate Nrt of the rotation speed of the engine 22 (step S140).
- the specified fluctuation rate Nrt is added to the engine speed Ne and the upper speed limit Nmax is set, and the value obtained by subtracting the fluctuation rate Nrt from the engine speed Ne and the idling speed NidU is set as the engine speed.
- the lower speed Nchg is set as the lower limit speed Nmin (step S150).
- the minimum speed Nmin is set to be higher than the minimum speed Nchg when shifting at a higher speed than the idling speed NidU.
- the temporary engine speed Netmp is set based on the set target torque Te * and the operation line for efficiently operating the engine 22 (step S170), and the set temporary engine speed Netmp is set. Is limited by the upper and lower rotation speeds Nmax and Nmin.
- Set the target speed Ne * (step SI 70).
- Figure 12 shows how the operation line for operating the engine 22 efficiently and the temporary engine speed Netmp are set.
- the torque command Tml * of the motor MG1 is set by the following equation (5) so that the engine 22 rotates at the target rotational speed Ne * (step S 180), and the hydraulic pressure of the brake wheel cylinders 96a to 96d is adjusted.
- the brake torque command Tb * for applying braking torque to the drive wheels 39a, 39b and the driven wheels (not shown) to 0 (step SI 90)
- Expression (5) is a relational expression in the feedback control for rotating the engine 22 at the target rotational speed Ne *.
- k3 in the second term on the right side is the gain of the proportional term, and in the third term on the right side.
- k4 is the gain of the integral term.
- the engine ECU 24 that has received the target rotational speed Ne * and the target torque Te * receives the intake air amount control, fuel injection control, and ignition so that the engine 22 is operated at the operating point of the target rotational speed Ne * and the target torque Te *. Execute control and so on.
- the motor ECU 40 that has received the torque command Tml * performs switching control of the switching element of the inverter 41 so that a torque corresponding to the torque command Tml * is output from the motor MG1.
- the brake ECU 94 that has received the brake torque command Tb * having a value of 0 drives and controls the brake actuator 92 so that the braking force does not act on the driving wheels 39a, 39b and the driven wheels.
- Tml * previous Tml * + k3 (Ne * — Ne) + k4 J (Ne * — Ne) dt (5)
- step SI 20 When it is determined in step SI 20 that the required torque Tr * is the braking torque for deceleration, the minimum engine speed Nchg at the time of shifting higher than the idling engine speed NidU of the engine 22 is set as the target engine speed Ne * of the engine 22. (Step S200), the target torque Te * of the engine 22 and the torque command Tml * of the motor MG1 are set to the value 0 (Steps S210, S220), and the required torque Tr * as the braking torque is applied to the ring gear shaft 32a.
- the brake torque command Tb * is set so that the braking force at the time acts on the drive wheels 39a, 39b and the driven wheels (step S230), and the target speed Ne * and target torque Te * of the engine 22 are adjusted!
- step S240 For the engine EC U24, for the motor MG1 torque command Tml * The Luku command Tb * is sent to the brake ECU 94 (step S240), and this routine ends.
- the required torque Tr * is the braking torque for deceleration
- the idling speed NidU and the minimum speed Nchg for shifting are set to the target speed Ne * of the engine 22, and then the driver's accelerator pedal 83 is set. This is because the engine 22 can output a large amount of power more quickly when a large required torque Tr * or power is required by stepping on the engine.
- FIG. 13 is a collinear diagram showing the dynamic relationship between the rotational speed and torque in the rotating elements of the power distribution and integration mechanism 30 when the required torque Tr * is the braking torque for deceleration during Hi-Lo shifting.
- the thick arrow on the R axis corresponds to the braking torque by the hydraulic brake corresponding to the ring gear shaft 32a.
- Steps S200 to S230 are executed when the torque corresponding to the target torque Te * and torque command Tml * for applying the required torque Tr * to the torque is output and the required torque Tr * is the braking torque for deceleration.
- the engine 22 is operated independently at the minimum speed Nchg during shifting, and the braking force corresponding to the required torque Tr * is generated by the brakes (hydraulic brakes) of the brake wheel cylinders 96a to 96d. Output to the driving wheel.
- the accelerator pedal 83 When the accelerator pedal 83 is depressed, the accelerator opening Acc increases as the accelerator pedal 83 is depressed, and a large required torque Tr * is set. Since the engine 22 is operated at the minimum speed Nchg or higher during shifting (S 150, S200), the engine 22 can generate large torque more quickly than when the engine 22 is operated at idling speed Nidi. The engine 22 can output a large amount of power quickly.
- Target engine 22 speed Ne * is the normal speed value N1 when the gear position of the transmission 60 is not being changed.
- the rate value N2 is smaller than the normal speed value N1
- the fluctuation rate Nrt is set. Since it is set by limiting, the target speed Ne * of the engine 22 is not suddenly set to a large value.
- the gear position of the transmission 60 is set to Hi— when the accelerator is off or when the accelerator pedal 83 is slightly depressed (driving state with low driving force).
- the engine 22 is operated at a minimum speed Nchg or higher when the engine speed is higher than the idling speed NidU, so that the engine 22 is operated at the idling speed Nidi.
- a large torque can be quickly output from the engine 22, and a large power can be output quickly from the engine 22.
- large power can be output quickly by the ring gear shaft 32a as the drive shaft.
- the gear position of the transmission 60 is set to Hi-
- the upper limit speed Nmax is set using the fluctuation rate Nrt with a rate value N2 that is smaller than the normal rate value N2 when the gear shift of the transmission 60 is not performed.
- the amount used to increase the number of revolutions of the engine 22 can be reduced, and the corresponding amount can be output to the ring gear shaft 32a. As a result, it is possible to quickly respond to a sudden change in the required torque Tr * while shifting the speed of the transmission 60.
- the gear stage of the transmission 60 is set to Hi-Lo when the accelerator pedal 83 is slightly depressed (running state with low driving force).
- torque shock that may occur when the transmission 60 is shifted Lo-Hi can be reduced.
- a transmission 60 that can change gears with two shift stages of Hi and Lo is used.
- the shift stage of the transmission 60 is not limited to two stages. As the above gears, too.
- the power of the motor MG2 is changed by the transmission 60 and output to the ring gear shaft 32a.
- the power of the motor MG2 is changed by the transmission 60 and is connected to an axle (wheel 39c, 39d in FIG. 14) that is different from the axle to which the ring gear shaft 32a is connected (the axle to which the drive wheels 39a, 39b are connected). It may be connected to the axle.
- the power of the engine 22 is output to the ring gear shaft 32a as the drive shaft connected to the drive wheels 39a and 39b via the power distribution and integration mechanism 30.
- an inner rotor 232 connected to the crankshaft 26 of the engine 22 and an outer rotor 234 connected to a drive shaft that outputs power to the drive wheels 39a and 39b are provided.
- a counter-rotor motor 230 that transmits a part of the power of the engine 22 to the drive shaft and converts the remaining power into electric power.
- the power engine described as the form of the hybrid vehicle 20 may be a form of a drive device mounted on a vehicle together with a chargeable / dischargeable battery.
- a control method of a vehicle such as the hybrid car 20 and a control method of a drive device.
- the present invention can be used in the manufacturing industry of vehicles and drive devices.
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Abstract
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Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US12/282,086 US20090062063A1 (en) | 2006-03-08 | 2007-03-02 | Vehicle, driving system, and control methods thereof |
| DE112007000548T DE112007000548T5 (de) | 2006-03-08 | 2007-03-02 | Fahrzeug, Antriebssystem und Steuerverfahren dafür |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2006-063059 | 2006-03-08 | ||
| JP2006063059A JP2007237925A (ja) | 2006-03-08 | 2006-03-08 | 車両および駆動装置並びにこれらの制御方法 |
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| WO2007102419A1 true WO2007102419A1 (ja) | 2007-09-13 |
Family
ID=38474850
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Country Status (5)
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| US (1) | US20090062063A1 (ja) |
| JP (1) | JP2007237925A (ja) |
| CN (1) | CN101395052A (ja) |
| DE (1) | DE112007000548T5 (ja) |
| WO (1) | WO2007102419A1 (ja) |
Families Citing this family (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100992635B1 (ko) * | 2007-12-13 | 2010-11-05 | 현대자동차주식회사 | 하이브리드 차량의 운전자 요구 토크 제어 방법 |
| JP4492717B2 (ja) * | 2008-03-04 | 2010-06-30 | トヨタ自動車株式会社 | 車両の制御装置 |
| JP4726966B2 (ja) * | 2009-01-30 | 2011-07-20 | エンパイア テクノロジー ディベロップメント エルエルシー | ハイブリッド車両用駆動装置、ハイブリッド車両及び駆動方法 |
| JP2010247772A (ja) * | 2009-04-20 | 2010-11-04 | Toyota Motor Corp | ハイブリッド自動車 |
| WO2010137119A1 (ja) * | 2009-05-26 | 2010-12-02 | トヨタ自動車株式会社 | ハイブリッド自動車およびその走行モードの設定方法 |
| JP5338739B2 (ja) * | 2010-04-06 | 2013-11-13 | トヨタ自動車株式会社 | ハイブリッド自動車およびその制御方法 |
| JP5675441B2 (ja) * | 2011-03-03 | 2015-02-25 | トヨタ自動車株式会社 | 車両の制御装置 |
| JP5647052B2 (ja) * | 2011-03-25 | 2014-12-24 | 日立建機株式会社 | ハイブリッド式建設機械 |
| JP5626469B2 (ja) * | 2011-07-14 | 2014-11-19 | トヨタ自動車株式会社 | 車両の駆動装置および車両の駆動方法 |
| US8645013B2 (en) * | 2011-10-21 | 2014-02-04 | GM Global Technology Operations LLC | Method and apparatus for driveline noise control in a hybrid powertrain |
| JP5712895B2 (ja) * | 2011-10-24 | 2015-05-07 | トヨタ自動車株式会社 | 車両 |
| US9014887B2 (en) * | 2012-01-20 | 2015-04-21 | Textron Inc. | Utility vehicle with parallel operated internal combustion engine and electric motor drivetrains |
| JP5808686B2 (ja) | 2012-02-03 | 2015-11-10 | 日立建機株式会社 | 作業車両のエンジン制御装置 |
| CN104955698B (zh) * | 2013-03-29 | 2017-03-08 | 日立建机株式会社 | 引擎旋转控制系统 |
| US9145133B2 (en) * | 2013-11-08 | 2015-09-29 | Ford Global Technologies, Llc | Method and system for selecting an engine operating point for a hybrid vehicle |
| JP6131922B2 (ja) * | 2014-09-12 | 2017-05-24 | トヨタ自動車株式会社 | 車両 |
| JP6337866B2 (ja) * | 2015-10-21 | 2018-06-06 | トヨタ自動車株式会社 | ハイブリッド車両 |
| DE102015222694A1 (de) * | 2015-11-17 | 2017-05-18 | Volkswagen Aktiengesellschaft | Betreiben einer Antriebseinrichtung eines Hybridfahrzeuges und Hybridfahrzeug |
| US20180274463A1 (en) * | 2017-03-21 | 2018-09-27 | Cummins Inc. | Fast torque control with electric accessories |
| EP3724516B1 (en) | 2017-12-14 | 2026-04-22 | Cummins, Inc. | Clamping system |
| JP7143742B2 (ja) * | 2018-11-29 | 2022-09-29 | トヨタ自動車株式会社 | 電動車両およびその制御方法 |
| JP7196801B2 (ja) * | 2019-09-09 | 2022-12-27 | トヨタ自動車株式会社 | 電動車両 |
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- 2007-03-02 DE DE112007000548T patent/DE112007000548T5/de not_active Withdrawn
- 2007-03-02 US US12/282,086 patent/US20090062063A1/en not_active Abandoned
- 2007-03-02 WO PCT/JP2007/054013 patent/WO2007102419A1/ja not_active Ceased
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Also Published As
| Publication number | Publication date |
|---|---|
| DE112007000548T5 (de) | 2009-02-26 |
| JP2007237925A (ja) | 2007-09-20 |
| CN101395052A (zh) | 2009-03-25 |
| US20090062063A1 (en) | 2009-03-05 |
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